diff --git a/pyproject.toml b/pyproject.toml
index b72f468..141c261 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,6 @@ uvloop = ["uvloop"]
 dev = [
     "httpx",
     "hypothesis",
-    "mock",
     "pytest",
     "pytest-asyncio",
     "pytest-trio",